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Correl 1 > GEAS OTD > Flashcards

GEAS OTD Flashcards

1
Q

The volume of a gas under standard atmospheric pressure of 80 cm of Hg is 300 cubic inches. What is the volume when the pressure is 90 cm Hg if the temperature is unchanged

A
  • 267 cubic inches
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2
Q
  1. Chemical Properties
A
  • describe a material’s behavior when acted on by something else.
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3
Q
  1. Gold (Au) with an atomic number of 79, has a mass number of 197. How many neutrons are there in the nucleus of a gold atom?
A
  • 118
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4
Q
  1. The chalcogens are elements in what group in the periodic table
A
  • VI
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5
Q
  1. A wedding ring that weighs 80 grams is made of gold and silver. It has been determined that the ring has a volume of 5 cubic centimeters. If gold weighs 19.3 g/cubic centimeter and silver 10.5 g/cubic centimeter. How many grams of gold do the ring contains?
A
  • 60.3
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6
Q
  1. If a gas diffuses at a rate of 1/2 as fast as Oxygen gas, what is the molecular weight of the gas
A
  • 128 g/mol
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7
Q
  1. Calculate the molal concentration of a solution that contains 18 g of sodium hydroxide in 100 mL of water.
A
  • 4.5
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8
Q
  1. How many grams of oxygen are there in 2.5 moles of Ca(NO3)2
A
  • 240
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9
Q
  1. Which of the following phase changes represent sublimation
A
  • Solid to gas
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10
Q
  1. For a projectile moving in a parabolic path, at what point are the velocity and acceleration parallel to each other?
A
  • will never be parallel
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11
Q
  1. Three men carry a uniform timber. One takes hold at one end, the other two carry by means of a cross bar placed underneath. At what point of timber must the bar be placed so that each man may carry one third of the weight of the timber? The timber has a length of 18 m
A
  • 4.5 m
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12
Q
  1. A 32-gram mass is moving at 60 cm/sec while an 8-gram mass is moving in an opposite direction 100 cm/sec. They collide head on and stick together. What is their velocity after collision?
A
  • 0.28 cm/sec
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13
Q
  1. A ball is thrown down the incline, strikes an inclined distance of 75 m. the incline plane has a slope of 1 vertical to 3 horizontals, If the ball rises to a maximum height h = 20 m above the point of release. Compute the time the ball strikes at an inclined distance of 75 m from the point of release.
A
  • 5 Secs
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14
Q
  1. A 30 kg block is resting on an inclined plane making an angle of 30 degrees from the horizontal. If the coefficient of friction is 0.60, find the force P if it is applied to cause a motion upward along the plane
A
  • 30.59 N
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15
Q
  1. Determine the super elevation for a highway curve 173 m in radius so that there will be no “side thrust” for a speed of 62 kph
A
  • 9.91 degrees
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16
Q
  1. A body takes 4/3 times as much time to slide down a rough inclined plane as it takes to slide down an identical but smooth inclined plane. Find the coefficient of friction if the angle of incline is 45º
A
  • 7/16
17
Q
  1. An object of mass m, on the Earth’s surface has a weight of w. If it is elevated at a height three times the Earth’s Radius, what will be the new weight?
A
  • w/9
18
Q
  1. What is the SI unit of the Newtonian constant of gravitation, G?
A
  • (m^3)/kg-s^2
19
Q
  1. A 10 lbm metal ball has a temperature of 200 degrees Fahrenheit when it is placed in a 50 lbm bath of water at room temperature. (72 degrees F) Heat transfer occurs between the two substances until equilibrium is reached. Find the equilibrium temperature.
A
  • 131.2 F
20
Q
  1. How much thermal energy is required to completely melt a 300- gram ice cube?
A
  • 100 kJ
21
Q
  1. Rays farther from the principal axis of the spherical mirror are reflected to cross the axis nearer to the mirror than those close to the axis.
A
  • spherical aberration
22
Q
  1. Find the present worth of a future payment of P 200,000 to be made in 15 years with an interest of 12% compounded quarterly.
A
  • P 30,655.58
23
Q
  1. An asset is purchased for P 9,000. Its estimated economic life is 10 years after which it will be sold for P 1,000.00. Find the depreciation in the first three years using sum of years digit method
A
  • P 3, 927.27
24
Q
  1. An interest rate is quoted as being 7.5% compounded quarterly. What is the effective annual interest rate?
A
  • 7.71 %
25
Q
  1. Mr. Ochoa put up a trust fund in the bank with instruction to give his nephew the earnings of P 400,000 at the end of every four years and to continue until twentieth year of the deposit What is the amount of money placed in the trust fund if guaranteed interest is 16% per annum.?
A
  • P 468,082.22
26
Q
  1. A man wishes his son to receive P500,000 ten years from now. What amount should he invest now if it will earn interest of 12% compounded annually during the first 5 years and 15% compounded quarterly during the next 5 years
A
  • P 162,861.11
27
Q
  1. It is a series of equal payments occurring at equal interval of time where the first payment is made after several periods, after the beginning of the payment.
A
  • Annuity Due
28
Q
  1. What refers to the reduction in the level of national income and output usually accompanied by a fall in the general price level?
A
  • Deflation
29
Q
  1. An interest-earning fund in which equal deposits are made at equal intervals of time for the purpose of gradually accumulating a specific sum of money required at some future date.
A
  • Sinking Fund
30
Q
  1. This occurs in a situation where a commodity or service is supplied by a number of vendors and there is nothing to prevent additional vendors entering the market
A
  • Perfect Competition
31
Q
  1. A condition where only a few individuals produce a certain product and that any action of one will lead to almost the same action of the others
A
  • Oligopoly
32
Q
  1. A P2,000 loan was originally made at 8% simple interest for 4 years. At the end of this period, the loan was extended for three years without the interest being paid, this time at a rate of 10% compound semi-annually. How much should the borrower pay at the end of 7 years?
A
  • 3537
33
Q
  1. Lamp Lighting produces lamps from bought in parts. The variable cost of each lamp comprises of direct materials of £6.00, labor cost of £10.00 and variable overheads of £2.00. Lamp Lighting has fixed overheads of £180,000 and sells for £30 each. Current sales are 20,000 lamps per annum and the break-even point is 15,000 lamps. What profit would Lamp Lighting make if the company sold 25,000 lamps?
A
  • £120,000

Correl 1 (5 decks)

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